Swallowing_________ .
A)is voluntarily controlled in the mouth, pharynx, and esophagus
B)is initiated by the action of the tongue, is voluntarily controlled in the mouth, pharynx, and esophagus, and moves food, by segmental contractions, into the stomach
C)is initiated by the action of the tongue
D)moves food, by segmental contractions, into the stomach

Question

Quizplus · Accepted Answer

Swallowing is initiated by the action of the tongue, which pushes the food to the back of the mouth to start the swallowing process. The process is not voluntarily controlled in the pharynx and esophagus, and segmental contractions are not involved in swallowing.